1457加减乘除等于24有几种方法
2个回答
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下面18个算式的结果都是24
1+((4*7)-5)
(1+(4*7))-5
1-(5-(4*7))
(1-5)+(4*7)
1-(5-(7*4))
(1-5)+(7*4)
1+((7*4)-5)
(1+(7*4))-5
((4*7)+1)-5
(4*7)+(1-5)
(4*7)-(5-1)
((4*7)-5)+1
((5-1)*7)-4
((7*4)+1)-5
(7*4)+(1-5)
(7*4)-(5-1)
((7*4)-5)+1
(7*(5-1))-4
1+((4*7)-5)
(1+(4*7))-5
1-(5-(4*7))
(1-5)+(4*7)
1-(5-(7*4))
(1-5)+(7*4)
1+((7*4)-5)
(1+(7*4))-5
((4*7)+1)-5
(4*7)+(1-5)
(4*7)-(5-1)
((4*7)-5)+1
((5-1)*7)-4
((7*4)+1)-5
(7*4)+(1-5)
(7*4)-(5-1)
((7*4)-5)+1
(7*(5-1))-4
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